\Cultch\ (k?lch;224), n. [Etymol. uncertain.]
Empty oyster shells and other substances laid down on oyster
grounds to furnish points for the attachment of the spawn of
the oyster. [Also written {cutch}.]

\Cultch\, n.
1. Young or seed oysters together with the shells and other
   objects to which they are usually attached.
2. Rubbish; d['e]bris; refuse.